1640332816

素因数分解:

$2^4\times {\mathrm{2243}}^1\times {\mathrm{45707}}^1$

素因数の和:47958

約数の個数: 20

約数和(自身を含む): 3179631312

約数和(自身を除く): 1539298496

約数列:

[1, 2, 4, 8, 16, 2243, 4486, 8972, 17944, 35888, 45707, 91414, 182828, 365656, 731312, 102520801, 205041602, 410083204, 820166408, 1640332816]

約数ペア:

[(1, 1640332816), (2, 820166408), (4, 410083204), (8, 205041602), (16, 102520801), (2243, 731312), (4486, 365656), (8972, 182828), (17944, 91414), (35888, 45707)]